Weather Records on 7 September 1939

634 weather records were set or tied worldwide on 7 September 1939. Highest significance: Padampur, IN.

Key Facts for 7 September 1939

On 7 September 1939, 634 weather records were set or tied at long-record stations worldwide.
502 were record highs and 62 were record lows, counting maximum and minimum temperature.
By timescale, 1 were all-time records, 110 monthly and 523 daily.
Padampur set an all-time record daily precipitation of 368.3 mm (14.5 in) on 7 September 1939.
Across 165 earlier years (1802 to 2026) the same calendar date averaged 450 records.

Record Map

634 stations

634 station records on 7 September 1939 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 7 September 1939: highest significance records shown on the map
Station	Country	Type	Value	Significance
Padampur	India	Record daily precipitation	368.3 mm (14.5 in)	68 of 100 (Major)
Warner Springs	United States	Record daily precipitation	29.5 mm (1.2 in)	44 of 100 (Notable)
Lakhnadon	India	Record daily precipitation	157.5 mm (6.2 in)	43 of 100 (Notable)
Mangaldai	India	Record daily precipitation	77.5 mm (3.1 in)	40 of 100 (Notable)
Williams	United States	Record daily precipitation	39.1 mm (1.5 in)	40 of 100 (Notable)
Madison Wb City	United States	Record high minimum temperature	25.0 C (77.0 F)	38 of 100 (Notable)
Tezpur	India	Record daily precipitation	80.8 mm (3.2 in)	36 of 100 (Notable)
Boreli	India	Record daily precipitation	125.0 mm (4.9 in)	36 of 100 (Notable)
Dubuque River	United States	Record high minimum temperature	26.1 C (79.0 F)	36 of 100 (Notable)
Keolari	India	Record daily precipitation	97.8 mm (3.9 in)	33 of 100 (Routine)
Atrauli	India	Record daily precipitation	95.5 mm (3.8 in)	32 of 100 (Routine)
Elkader 6 SSW	United States	Record high minimum temperature	25.0 C (77.0 F)	30 of 100 (Routine)
Bilaspur	India	Record daily precipitation	131.1 mm (5.2 in)	29 of 100 (Routine)
Jabalpur	India	Record daily precipitation	72.4 mm (2.9 in)	29 of 100 (Routine)
Cuyamaca	United States	Record daily precipitation	28.4 mm (1.1 in)	29 of 100 (Routine)
Marengo	United States	Record high minimum temperature	24.4 C (75.9 F)	29 of 100 (Routine)
Mt Carroll	United States	Record high minimum temperature	25.0 C (77.0 F)	29 of 100 (Routine)
Dixon Wwtp	United States	Record high maximum temperature	38.9 C (102.0 F)	28 of 100 (Routine)
Ft Wayne City	United States	Record high maximum temperature	37.2 C (99.0 F)	28 of 100 (Routine)
Lake Mills Wwtp	United States	Record high minimum temperature	23.9 C (75.0 F)	28 of 100 (Routine)
Razole(Rajole)	India	Record daily precipitation	76.2 mm (3.0 in)	27 of 100 (Routine)
Durban-Botanical Gardens	South Africa	Record daily precipitation	47.0 mm (1.9 in)	27 of 100 (Routine)
El Cajon 2 E	United States	Record daily precipitation	34.3 mm (1.4 in)	27 of 100 (Routine)
Aurora Water	United States	Record high maximum temperature	38.9 C (102.0 F)	27 of 100 (Routine)
Elkader 6 SSW	United States	Record high maximum temperature	38.3 C (100.9 F)	27 of 100 (Routine)
Hebron	United States	Record high maximum temperature	40.6 C (105.1 F)	27 of 100 (Routine)
Philo 3 SW	United States	Record high maximum temperature	37.8 C (100.0 F)	27 of 100 (Routine)
Milwaukee Wb City	United States	Record high minimum temperature	23.3 C (73.9 F)	27 of 100 (Routine)
Walnut	United States	Record high minimum temperature	24.4 C (75.9 F)	26 of 100 (Routine)
Bluffton Wtr Wks	United States	Record high maximum temperature	38.3 C (100.9 F)	26 of 100 (Routine)
Maryville 2E	United States	Record high minimum temperature	25.6 C (78.1 F)	26 of 100 (Routine)
Mandla	India	Record daily precipitation	109.5 mm (4.3 in)	25 of 100 (Routine)
Sambalpur	India	Record daily precipitation	100.1 mm (3.9 in)	25 of 100 (Routine)
Toledo Blade	United States	Record high maximum temperature	37.2 C (99.0 F)	25 of 100 (Routine)
Dindori	India	Record daily precipitation	94.0 mm (3.7 in)	24 of 100 (Routine)
Babuskin	Russia	Record high minimum temperature	16.5 C (61.7 F)	24 of 100 (Routine)
Buckeye	United States	Record low maximum temperature	28.3 C (82.9 F)	24 of 100 (Routine)
Lawrence	United States	Record high minimum temperature	25.6 C (78.1 F)	24 of 100 (Routine)
Lima Wwtp	United States	Record high maximum temperature	37.2 C (99.0 F)	24 of 100 (Routine)
Brodhead Wwtp	United States	Record high minimum temperature	25.0 C (77.0 F)	24 of 100 (Routine)
Mokakchung	India	Record daily precipitation	68.6 mm (2.7 in)	23 of 100 (Routine)
Jefferson	United States	Record high minimum temperature	26.7 C (80.1 F)	23 of 100 (Routine)
Maquoketa	United States	Record high maximum temperature	38.9 C (102.0 F)	23 of 100 (Routine)
Umea	Sweden	Record high maximum temperature	20.0 C (68.0 F)	22 of 100 (Routine)
Pine Bluff	United States	Record high minimum temperature	25.6 C (78.1 F)	22 of 100 (Routine)
Willows 6 W	United States	Record high minimum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
Salamonia	United States	Record high maximum temperature	38.3 C (100.9 F)	22 of 100 (Routine)
Clinton #1	United States	Record high minimum temperature	23.9 C (75.0 F)	22 of 100 (Routine)
Ft Dodge 5NNW	United States	Record high minimum temperature	22.8 C (73.0 F)	22 of 100 (Routine)
Perry	United States	Record high maximum temperature	40.0 C (104.0 F)	22 of 100 (Routine)
Crookston NW Exp STN	United States	Record daily precipitation	31.2 mm (1.2 in)	22 of 100 (Routine)
Waukomis	United States	Record high minimum temperature	28.9 C (84.0 F)	22 of 100 (Routine)
Lancaster 4 WSW	United States	Record high maximum temperature	37.8 C (100.0 F)	22 of 100 (Routine)
Chindwara	India	Record daily precipitation	95.8 mm (3.8 in)	21 of 100 (Routine)
Atlantic 1 NE	United States	Record high maximum temperature	39.4 C (102.9 F)	21 of 100 (Routine)
Grundy Ctr	United States	Record high maximum temperature	38.3 C (100.9 F)	21 of 100 (Routine)
Marshalltown	United States	Record high maximum temperature	39.4 C (102.9 F)	21 of 100 (Routine)
Weeping Water	United States	Record high minimum temperature	26.7 C (80.1 F)	21 of 100 (Routine)
Rosalia	United States	Record low minimum temperature	-1.1 C (30.0 F)	21 of 100 (Routine)
Prairie du Chien	United States	Record high maximum temperature	40.0 C (104.0 F)	21 of 100 (Routine)

Counts by Type and Timescale

634 records

Records set or tied on 7 September 1939 by type: Highest daily maximum 283, Lowest daily maximum 22, Highest daily minimum 219, Lowest daily minimum 40, Heaviest daily rainfall 70.

Records on 7 September 1939 by type
Record type	Records
Highest daily maximum	283
Lowest daily maximum	22
Highest daily minimum	219
Lowest daily minimum	40
Heaviest daily rainfall	70
Heaviest daily snowfall	0
Deepest snow cover	0

Records on 7 September 1939 by timescale: all-time 1, monthly 110, daily 523.

How Much Records Were Beaten By

447 broken records

Margins by which the 447 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 140.5. Ties are not counted.

Top 20 by Significance

7 September 1939

Top 20 records on 7 September 1939 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
7 September 1939	Padampur, IN	all-time rain	368.3 mm (14.5 in)	140.5 mm (5.5 in)	18 years	68 of 100 (Major)
7 September 1939	Warner Springs, US	daily rain	29.5 mm (1.2 in)	29.5 mm (1.2 in)	32 years	44 of 100 (Notable)
7 September 1939	Lakhnadon, IN	daily rain	157.5 mm (6.2 in)	117.9 mm (4.6 in)	1 year	43 of 100 (Notable)
7 September 1939	Mangaldai, IN	daily rain	77.5 mm (3.1 in)	43.5 mm (1.7 in)	36 years	40 of 100 (Notable)
7 September 1939	Williams, US	daily rain	39.1 mm (1.5 in)	30.0 mm (1.2 in)	8 years	40 of 100 (Notable)
7 September 1939	Madison Wb City, US	monthly high min	25.0 C (77.0 F)	0.6 C (1.1 F)	66 years	38 of 100 (Notable)
7 September 1939	Tezpur, IN	daily rain	80.8 mm (3.2 in)	33.3 mm (1.3 in)	36 years	36 of 100 (Notable)
7 September 1939	Boreli, IN	daily rain	125.0 mm (4.9 in)	48.8 mm (1.9 in)	36 years	36 of 100 (Notable)
7 September 1939	Dubuque River, US	monthly high min	26.1 C (79.0 F)	1.7 C (3.1 F)	58 years	36 of 100 (Notable)
7 September 1939	Keolari, IN	daily rain	97.8 mm (3.9 in)	62.5 mm (2.5 in)	1 year	33 of 100 (Routine)
7 September 1939	Atrauli, IN	daily rain	95.5 mm (3.8 in)	52.3 mm (2.1 in)	26 years	32 of 100 (Routine)
7 September 1939	Elkader 6 SSW, US	monthly high min	25.0 C (77.0 F)	1.7 C (3.1 F)	43 years	30 of 100 (Routine)
7 September 1939	Bilaspur, IN	monthly rain	131.1 mm (5.2 in)	29.0 mm (1.1 in)	2 years	29 of 100 (Routine)
7 September 1939	Jabalpur, IN	daily rain	72.4 mm (2.9 in)	42.4 mm (1.7 in)	32 years	29 of 100 (Routine)
7 September 1939	Cuyamaca, US	daily rain	28.4 mm (1.1 in)	25.9 mm (1.0 in)	30 years	29 of 100 (Routine)
7 September 1939	Marengo, US	monthly high min	24.4 C (75.9 F)	1.1 C (2.0 F)	43 years	29 of 100 (Routine)
7 September 1939	Mt Carroll, US	monthly high min	25.0 C (77.0 F)	2.2 C (4.0 F)	40 years	29 of 100 (Routine)
7 September 1939	Dixon Wwtp, US	monthly high max	38.9 C (102.0 F)	1.1 C (2.0 F)	45 years	28 of 100 (Routine)
7 September 1939	Ft Wayne City, US	monthly high max	37.2 C (99.0 F)	1.1 C (2.0 F)	40 years	28 of 100 (Routine)
7 September 1939	Lake Mills Wwtp, US	monthly high min	23.9 C (75.0 F)	1.1 C (2.0 F)	41 years	28 of 100 (Routine)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1802 to 1939

Records set or tied on this calendar date in each year from 1802 to 1939. 1939 had 634 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-07 in each year
Year	Records
1802	2
1814	2
1816	1
1833	1
1845	2
1847	1
1848	1
1850	1
1852	1
1856	1
1859	1
1860	2
1861	1
1864	2
1865	3
1868	1
1870	1
1871	4
1872	3
1873	1
1877	4
1878	1
1879	1
1881	2
1882	1
1883	2
1886	1
1887	3
1888	1
1889	1
1890	2
1891	7
1892	3
1894	8
1895	7
1896	1
1897	2
1898	8
1899	3
1900	1
1901	6
1902	3
1903	7
1904	8
1905	20
1906	8
1907	5
1908	26
1909	11
1910	15
1911	20
1912	39
1913	20
1914	29
1915	28
1916	39
1917	44
1918	35
1919	184
1920	375
1921	80
1922	98
1923	125
1924	232
1925	303
1926	117
1927	147
1928	130
1929	355
1930	108
1931	400
1932	478
1933	287
1934	566
1935	275
1936	370
1937	260
1938	348
1939	634
1940	226
1941	451
1942	415
1943	591
1944	519
1945	482
1946	356
1947	625
1948	353
1949	705
1950	704
1951	342
1952	301
1953	446
1954	390
1955	405
1956	752
1957	498
1958	570
1959	583
1960	763
1961	312
1962	729
1963	448
1964	463
1965	672
1966	365
1967	535
1968	417
1969	696
1970	917
1971	648
1972	534
1973	674
1974	709
1975	423
1976	763
1977	674
1978	1,165
1979	583
1980	613
1981	622
1982	684
1983	1,235
1984	1,396
1985	1,459
1986	1,062
1987	956
1988	1,266
1989	553
1990	900
1991	957
1992	1,257
1993	720
1994	523
1995	1,093
1996	982
1997	799
1998	1,262
1999	1,087
2000	1,320
2001	1,068
2002	1,169
2003	768
2004	865
2005	708
2006	1,105
2007	1,171
2008	1,210
2009	713
2010	1,147
2011	1,452
2012	699
2013	981
2014	491
2015	637
2016	868
2017	966
2018	723
2019	743
2020	1,352
2021	794
2022	2,096
2023	1,116
2024	1,216
2025	711
2026	760

Download the Data

Data for records on 1939-09-07: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).

Margin	Records
0 to 20	428
20 to 40	12
40 to 60	4
60 to 80	1
80 to 100	0
100 to 120	1
120 to 140	0
140 to 160	1